/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraMessageManager.h
static const [TOptional](API\Runtime\Core\IO\TOptional)< const [FString](API\Runtime\Core\Containers\FString) > GetStringForScriptUsageInStack ( const [ENiagaraScriptUsage](API\Plugins\Niagara\ENiagaraScriptUsage) InScriptUsage )